80611600

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2551}}^1$

素因数の和:2648

約数の個数: 60

約数和(自身を含む): 196197760

約数和(自身を除く): 115586160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 2551, 3160, 3950, 5102, 6320, 7900, 10204, 12755, 15800, 20408, 25510, 31600, 40816, 51020, 63775, 102040, 127550, 201529, 204080, 255100, 403058, 510200, 806116, 1007645, 1020400, 1612232, 2015290, 3224464, 4030580, 5038225, 8061160, 10076450, 16122320, 20152900, 40305800, 80611600]

約数ペア:

[(1, 80611600), (2, 40305800), (4, 20152900), (5, 16122320), (8, 10076450), (10, 8061160), (16, 5038225), (20, 4030580), (25, 3224464), (40, 2015290), (50, 1612232), (79, 1020400), (80, 1007645), (100, 806116), (158, 510200), (200, 403058), (316, 255100), (395, 204080), (400, 201529), (632, 127550), (790, 102040), (1264, 63775), (1580, 51020), (1975, 40816), (2551, 31600), (3160, 25510), (3950, 20408), (5102, 15800), (6320, 12755), (7900, 10204)]